Youll deal damage to players and gain life while discarding cards, and that can add to other strategies and engines, be it in a WB lifegain deck or a RB deck that cares about your opponents losing life
This is in line with the reason I deconstructed Kassandra, Eagle Bearer the possibility of killing a player on Turn 3-5 with Colossus Hammer, Spear of Leonidas and free equips was simply too fast
Then there's that meme about 15 squirrels beating Emrakul, the Aeons Torn, at least Frog-Squirrels can reach Emrakul
Thats useful for cubes, playtest designs, or anything you dont want pulled from a standard database
Are you looking to play it safe with the first run of Battles so that they dont cause balance issues, or are you hoping these will be played competitively right out of the gate
Sharing your work can be exciting